It gives a distinguishing standard whether the outflow under a sluice on broad crest weir is submerged when a modified coefficient of submerged condition a is adopted and h_t >α·h_c".
并提出了引入淹没条件修正系数α后，当h_t＞α·h″_c时，宽顶堰上闸孔出流为淹没出流的判别标准。
参考来源 - 宽顶堰上闸孔淹没出流的特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Incubation method and pot experiment were used to study the mineralization of green manure under submerged condition.
为了明确绿肥氮素在淹水条件下的矿化特征，采用培养试验和盆栽试验两种方法进行研究。
It is found that under the non-submerged condition, the rock breaking ability of star-shaped jet is greater than that of round jet;
结果表明，在非淹没条件下，星形喷嘴射流的破岩能力高于常规圆形喷嘴射流；
Changes of the water level on submerged and non-submerged condition are similar on the whole, and variation amplitude of water lever increases with the increasing discharge in both situation.
非淹没及淹没情况下水位变化规律基本相似，两种情况下水位变幅均随流量的增加而增大。
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